N-Partner Secure Direct Communication Based on Quantum Nonlocality

Details N-Partner Secure Direct Communication Based on Quantum Nonlocality N-Partner Secure Direct Communication Based on Quantum Nonlocality

2004-01-14

arxiv.org/abs/quant-ph/0401078v1

Physics

Quantum Physics

PACS: 03.67.Hk, 03.65.Ud

Scientific paper

A multipartner secure direct communication protocol is presented, using quantum nonlocality. Security of this protocol is based on `High fidelity implies low entropy'. When the entanglement was successfully distributed, anyone of the multipartner can send message secretly by using local operation and reliable public channel. Since message transfered only by using local operation and public channel after entanglement successfully distributed, so this protocol can protect the communication against destroying-travel-qubit-type attack.

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